
nav{
  width:120px;
  height:100%;
  /*outline:1px solid red;*/
  background-color: #333333;
  position: fixed;
  border-right: 1px solid darkgray;
}
nav>div{
  display: inline-block;
  outline:none;
  width:100%;
  height:30px;
  color: #EAF9FF;
  line-height:30px;
  text-align: center;
  border-bottom:1px solid darkgray;
}
nav>div:hover{
  cursor: pointer;
}
.zj-body{
  width:100%;
  height:100%;
  position: absolute;
  top:0;
  display: flex;
  /*background-color: aqua;*/
}
.zj-main{
  padding:10px;
  position: absolute;
  left:120px;
}
